<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table border="1">
  <tr><!--table row 表示行  table data 表示列-->
    <td colspan="4" align="center">1-1</td>
  </tr>
  <tr>
    <td colspan="2" align="center">2-1</td><td rowspan="2">2-3</td><td>2-4</td>
  </tr>
  <tr>
    <td>3-1</td><td>3-2</td><td>3-4</td>
  </tr>
</table>
<table border="1">
  <tr>
    <td colspan="2" align="center">1-1</td>
    <td rowspan="2">1-3</td>
  </tr>
  <tr>
    <td rowspan="2">2-1</td>
    <td>2-2</td>

  </tr>
  <tr>
    <td colspan="2" align="center">3-2</td>
  </tr>
</table>
<table border="1">
  <caption>购物车</caption>
  <tr>
    <th>编号</th>
    <th>商品名</th>
    <th>价格</th>
  </tr>
  <tr>
    <td>1</td>
    <td>华为mate40</td>
    <td>6543</td>
  </tr>
  <tr>
    <td>2</td>
    <td>华为mate50</td>
    <td>8765</td>
  </tr>
  <tr>
    <td >总价:</td>
    <td colspan="2">15308元</td>
  </tr>
</table>
</body>
</html>